“故居”常见的英文表达是 former residence 或 old residence,也可用 ancestral home(侧重指祖辈居住的老宅,带有一定家族传承意味) 。例如:
This is the former residence of a famous writer.(这是一位著名作家的故居。)
His ancestral home is in a small village.(他的祖居在一个小村庄里 。)